Slides
Approximation of Sobolev mappings into singular spaces (Sevilla 2006, photo in the background)
Sobolev spaces and the Whitney Extension Theorem (Toronto 2012)
Topologically nontrivial counterexamples to Sard's theorem (Ohio State University, Colloquium 2018) (Youtube video)
Holder continuous mappings, differential forms and the Heisenberg groups (Jyvaskyla 2019)
Translation invariant operators in $L^p$ (Mittag-Leffler 2019)
Topologically nontrivial counterexamples to Sard's theorem (Ohio State University, Colloquium 2018) (Youtube video)